msi: A progid who is its own parent cannot have a clsid.

33c3bdeb · James Hawkins · Alexandre Julliard · b779aac8 · 33c3bdeb
Commit 33c3bdeb authored May 02, 2008 by James Hawkins Committed by Alexandre Julliard May 02, 2008
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classes.c dlls/msi/classes.c +2 -0

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--- a/dlls/msi/classes.c
+++ b/dlls/msi/classes.c
@@ -971,6 +971,8 @@ static LPCWSTR get_clsid_of_progid( const MSIPROGID *progid )
    {
        if (progid->Class)
            return progid->Class->clsid;
+        if (progid->Parent == progid)
+            break;
        progid = progid->Parent;
    }
    return NULL;